What is three-layer, five-layer and seven-layer carton packaging? Carton packaging delivery standard

Two layers of corrugated cardboard and two layers of corrugated core paper are bonded to form a three-layer corrugated cardboard box, which extends from here. The second layer is corrugated cardboard and the second layer is corrugated paper

Core, the third layer is corrugated cardboard, the fourth layer is still corrugated cardboard core, and the fifth layer is corrugated cardboard. These five layers are glued to form corrugated body, which is called five-layer corrugated cardboard box. five

The corrugated board of the layer carton is composed of a multilayer adhesive body. Corrugated cartons have high mechanical strength and can resist falling. The actual performance of corrugated box depends on the corrugated core

The characteristics of paper and paperboard and the structure of the carton. The seven-layer corrugated box is composed of three layers of corrugated paper core and four layers of corrugated cardboard. Corrugated carton sea

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